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From "Suran Jayathilaka (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-712) Support for sequences
Date Fri, 20 Mar 2009 17:20:50 GMT

    [ https://issues.apache.org/jira/browse/DERBY-712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12683950#action_12683950
] 

Suran Jayathilaka commented on DERBY-712:
-----------------------------------------

Hi Rick!

Thank you for your prompt reply. This is verily a delightful opportunity for me.

I have started working on the catalogs as you suggested, and will submit a proposal for GSoC
when the accepting of proposals commences. I will definitely seek guidance from you and the
community should I run into any problem.

Thanks!
Suran

> Support for sequences
> ---------------------
>
>                 Key: DERBY-712
>                 URL: https://issues.apache.org/jira/browse/DERBY-712
>             Project: Derby
>          Issue Type: New Feature
>          Components: SQL
>         Environment: feature request 
>            Reporter: Tony Dahbura
>            Assignee: Suran Jayathilaka
>         Attachments: SequenceGenerator.html
>
>
> Would like to see support added for sequences.  This would permit a select against the
sequence to always obtain a ever increasing/decreasing value.  The identity column works fine
but there are times for applications where the application needs to obtain the sequence number
and use it prior to the database write.  Subsequent calls to the table/column would result
in a new number on each call.
> SQL such as the following:
> SELECT NEXT VALUE FOR sequence_name FROM sometable ; would result in a next value.

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